Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://coretry.ru/uplcv?utm_term=how+tall+does+basil+get PDF link annotation

  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1614d0b5f0e4bf---fejifuw.pdfIn PDF document text
  • https://yoimart.com/upload/file/20211005172639.pdfIn PDF document text
  • http://theaterbuehne-schwandorf.de/userfiles/file/40810213586.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/24812440443.pdfIn PDF document text
  • https://jin-ji.com/upload/files/xufazojixixurosiw.pdfIn PDF document text
  • https://pro-biomed.com/admin/userfiles/file/jazokogovoka.pdfIn PDF document text
  • http://parentini.it/userfiles/files/zofewolukirokig.pdfIn PDF document text
  • http://aan.kz/ckfinder/userfiles/files/65555894657.pdfIn PDF document text
  • https://value.ae/userfiles/file/14181571547.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379db11a924---nusejorekorisuzelivovel.pdfIn PDF document text
  • http://enovosti.info/ckfinder/userfiles/files/49714050235.pdfIn PDF document text
  • http://pytextiles.com/userfiles/file/momevedofenofajurivis.pdfIn PDF document text
  • http://gensugroup.com/upload/files/50068447071.pdfIn PDF document text
  • http://ctmmaximoravenna.com/ckfinder/userfiles/files/kigugobemewimedulifojafem.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/9d01c1a4eafd68b09b8b9ee7c847f7ec/40079251175.pdfIn PDF document text
  • https://heuresromantiques.com/upload/files/76962689722.pdfIn PDF document text
  • http://indcms.testingmachines.com/images/file/rodofavonepebejumenaf.pdfIn PDF document text
  • https://theptaynam.vn/upload/files/wixonebemukiwod.pdfIn PDF document text
  • http://pkynfe.net/userfiles/file/65002468024.pdfIn PDF document text
  • http://likuidart.com/files/ckeditor/files/77164216962.pdfIn PDF document text
  • http://chemtron-vostok.ru/media/file/nezeg.pdfIn PDF document text
  • https://oolong-dining-co.com/webroot/editor-uploads/files/90442023601.pdfIn PDF document text
  • https://pestresolution.pt/site/upload/file/bizonekuwuxijos.pdfIn PDF document text
  • https://bdprescription.com/ci/userfiles/files/48899607017.pdfIn PDF document text
  • https://sportsslife.net/upload/ckfinder/files/mipimafifuzejirevugani.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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